Catamaran

A multihull with two parallel hulls connected by a deck, bridgedeck, or trampoline.

Test your knowledge

Know your nautical terms? Play the free SkipperCheck daily maritime quiz — COLREGs, navigation, VHF radio, seamanship. Earn points, climb the global leaderboard.

Play the Daily Quiz →

Related C-terms

Code Zero

A very flat, large, reaching sail set on a continuous-line furler forward of the forestay;…

Come about

Synonym for tacking — turning the bow through the eye of the wind.

Centerline

The imaginary line running down the middle of the vessel from bow to stern.

Cutter

A single-masted rig carrying both a jib (outer headsail) and a staysail on an inner forest…

Catboat

A simple rig with a single mainsail stepped on an unstayed mast set well forward, with no …

Chart

A nautical map showing coastlines, depths, aids to navigation, and hazards.

← Back to full glossary